Trimetallic NiMoW/Al2O3 hydrotreating catalyst based on H4SiMo3W9O40 mixed heteropoly acid

被引：7
作者：
Nikulshina, M. S. [1 ,2 ]
Mozhaev, A. V. [1 ]
Minaev, P. P. [1 ]
Fournier, M. [2 ]
Lancelot, C. [2 ]
Blanchard, P. [2 ]
Payen, E. [2 ]
Lamonier, C. [2 ]
Nikulshin, P. A. [1 ,3 ]
机构：
[1] Samara State Tech Univ, Ul Molodogvardeiskaya 244, Samara 443100, Russia
[2] Univ Lille 1, UCCS, Bat C3, F-59655 Villeneuve Dascq, France
[3] All Russia Res Inst Oil Refining, Ul Aviamotornaya 6, Moscow 111116, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2017年 / 90卷 / 07期
关键词：
SCIENCE-AND-TECHNOLOGY; SULFIDE CATALYSTS; HDT CATALYSTS; ACTIVE PHASE; HYDRODESULFURIZATION; ALUMINA; SULFUR; NIMOW; OIL; DESULFURIZATION;
D O I：
10.1134/S1070427217070151
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Trimetallic NiMoW/Al2O3 catalyst was prepared using mixed H4SiMo3W9O40 heteropoly acid of Keggin structure and nickel citrate. Bimetallic NiMo/Al2O3 and NiW/Al2O3 catalysts based on H4SiMo12O40 and H4SiW12O40, respectively, were synthesized as reference samples. The use of mixed H4SiMo3W9O40 heteropoly acid as an oxide precursor allows the tungsten sulfidation degree and the degree of promotion of active phase particles to be increased. The hydrodesulfurization activity is enhanced as compared to NiW/Al2O3 catalyst. The synergistic enhancement of the activity of the NiMo3W9/Al2O3 catalyst relative to the bimetallic analogs is probably caused by formation of new mixed promoted active sites for direct desulfurization.
引用
收藏
页码：1122 / 1129
页数：8
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